Blue Mexican Bola Pendant, Harmony Ball Pendant w/Necklace Blue Mexican Bola (Harmony Ball) Pendant w/Necklace Made by Quality Brass w/Silver plated Ball size 20mm. x 20mm. Basket size: 23mm. Necklace size: 44-45" Come in Organza pouch It will make a Beautiful and thoughtful gift for any Mom to be.